🧩 词语组成解析
n. 咖啡因；茶精（兴奋剂）
🗣️ 情景例句
We looked at a lot of houses.
我们看了好多房子。
It is as well to know which way the wind blows.
识时务者为俊杰。
and should not be put in drinks unless it is known to be safe.
只有知道冰块安全时才能加入饮料。